2-Chloro-4-hydrazinopyrimidine

2-Hydroxy-4-hydrazinopyrimidine

2-Amino-4'-bromobenzophenone

4-Chlorophthalic anhydride

4-Bromo-3-fluorobenzoic acid

2-Chloronicotinic acid

1-(2-Furoyl)piperazine

5-Amino-2-methyl-1H-tetrazole

5-Amino-2-methyl-1H-tetrazole